NT may refer to:

• Windows NT, an operating system from Microsoft. NT here stands for New Technology
• Sony's NT microcassette-based digital memo recorder
• An iNtuitive Thinker (see Myers-Briggs Type Indicator), one of the four David Keirsey psychological tempraments
• "No text" — said to describe email messages or forum posts whose subject line contains the entire message and whose body is blank
• Nt was the chemical symbol for niton, an obsolete name for the chemical element radon.

NT may be an abbreviation of:

• The New Testament of the Bible
• Neurotypical (Neurologically Typical), a term used to describe people who are not Autistic
• Northern Territory, a territory of Australia
• Northwest Territories, a territory of Canada
• The British Royal National Theatre